From patchwork Fri Jul 30 10:35:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Elder X-Patchwork-Id: 13167 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 0C81DC322E for ; Fri, 30 Jul 2021 10:36:08 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id BA66D687CB; Fri, 30 Jul 2021 12:36:07 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="qQ/KuJ24"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 0C844687BF for ; Fri, 30 Jul 2021 12:36:06 +0200 (CEST) Received: from pyrite.rasen.tech (unknown [IPv6:2400:4051:61:600:2c71:1b79:d06d:5032]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id F385689B; Fri, 30 Jul 2021 12:36:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1627641365; bh=+ucTDN/yZm3plN0zQkmIOie8cnhfUO/Q9wpkVXJp7Gs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qQ/KuJ24Ouw0q75aepSnd7QOW3LLlFncAMj3oCKMdeltGUdlRrobor+1mOS/NHyVL dXCn4KXuNin+Bbhw95Jm6rsmQKSRtNrcgS3hXnPszhag/4nZqfipbspgCJ8sdGmTUL 0O44vLTzFFAuGNCLuj+vgGZ5DohuWawymrVASvqo= From: Paul Elder To: libcamera-devel@lists.libcamera.org Date: Fri, 30 Jul 2021 19:35:36 +0900 Message-Id: <20210730103536.81117-10-paul.elder@ideasonboard.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210730103536.81117-1-paul.elder@ideasonboard.com> References: <20210730103536.81117-1-paul.elder@ideasonboard.com> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v6 9/9] android, controls: Add and plumb MaxLatency control X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Add a MaxLatency control, and plumb it into the HAL accordingly. Bug: https://bugs.libcamera.org/show_bug.cgi?id=50 Signed-off-by: Paul Elder Reviewed-by: Laurent Pinchart Reviewed-by: Jacopo Mondi --- Changes in v3: - use v3 setMetadata - add comment to explain 4 - remove todo Changes in v2: - use new setMetadata - rebase on camera capabilities refactor --- src/android/camera_capabilities.cpp | 7 +++++-- src/libcamera/control_ids.yaml | 10 ++++++++++ 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/src/android/camera_capabilities.cpp b/src/android/camera_capabilities.cpp index 1bf3ffa5..77ad8c03 100644 --- a/src/android/camera_capabilities.cpp +++ b/src/android/camera_capabilities.cpp @@ -1119,8 +1119,11 @@ int CameraCapabilities::initializeStaticMetadata() } /* Sync static metadata. */ - int32_t maxLatency = ANDROID_SYNC_MAX_LATENCY_UNKNOWN; - staticMetadata_->addEntry(ANDROID_SYNC_MAX_LATENCY, maxLatency); + setMetadata( + staticMetadata_.get(), ANDROID_SYNC_MAX_LATENCY, + controlsInfo, &controls::draft::MaxLatency, + ControlRange::Def, + ANDROID_SYNC_MAX_LATENCY_UNKNOWN); /* Flash static metadata. */ char flashAvailable = ANDROID_FLASH_INFO_AVAILABLE_FALSE; diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml index d92f29f5..9d4638ae 100644 --- a/src/libcamera/control_ids.yaml +++ b/src/libcamera/control_ids.yaml @@ -622,6 +622,16 @@ controls: detection, additional format conversions etc) count as an additional pipeline stage. + - MaxLatency: + type: int32_t + draft: true + description: | + The maximum number of frames that can occur after a request (different + than the previous) has been submitted, and before the result's state + becomes synchronized. A value of -1 indicates unknown latency, and 0 + indicates per-frame control. Currently identical to + ANDROID_SYNC_MAX_LATENCY. + - TestPatternMode: type: int32_t draft: true